<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="{% url 'form_get' %}" method="get">
{#    {% csrf_token %}#}
    username:
    <input type="text" name="username"><br>
    hobbys:
    <input type="checkbox" name="hobby" value="java">java
    <input type="checkbox" name="hobby", value="python">python
    <br>
    <input type="submit" value="submit">
</form>
</body>
</html>